63313390 has 48 divisors (see below), whose sum is σ = 133576992. Its totient is φ = 21542976.

The previous prime is 63313387. The next prime is 63313391. The reversal of 63313390 is 9331336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63313391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76519 + ... + 77341.

It is an arithmetic number, because the mean of its divisors is an integer number (2782854).

Almost surely, 2^63313390 is an apocalyptic number.

63313390 is an abundant number, since it is smaller than the sum of its proper divisors (70263602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63313390 is a wasteful number, since it uses less digits than its factorization.

63313390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 63313390 is about 7956.9711574191. The cubic root of 63313390 is about 398.5644164132.

The spelling of 63313390 in words is "sixty-three million, three hundred thirteen thousand, three hundred ninety".